Tudalennau cyferbyn yn dwyn rhifau dyblyg = Opposite pages bear duplicate numbering.
"URN 00/1303.".
Portion of title: Welsh language scheme.
Cynllun iaith Gymraeg : paratowyd o dan Ddeddf yr Iaith Gymraeg 1993. Published by Adran Masnach a Diwydiant in 2000. Publication and catalogue information, links to buy online and reader comments.